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Silica gel Reference Libraries

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Silica Gel
2010-11-15 19:14:10

Silica Gel, made synthetically from sodium silicate, is granular, vitreous, highly porous form of silica. Silica is a naturally occurring mineral that is purified and processed into either granular or beaded form. It has a strong affinity for water molecules. Silica gel is commonly used as a desiccant where it is packed in vapor-permeable plastic in order to control local humidity in order...

Word of the Day
upstander
  • A person who stands up for something, as contrasted to a bystander who remains inactive.
  • One of the upright handlebars on a traditional Inuit sled.
The word 'upstander' in the first sense here is a play on the word 'bystander' and the idea of 'standing up' for something.